how to draw Text on Mouse Move in VB.NET Windows Forms

Public Class Form1

    Inherits System.Windows.Forms.Form



#Region " Windows Form Designer generated code "



    Public Sub New()

        MyBase.New()



        'This call is required by the Windows Form Designer.

        InitializeComponent()



        'Add any initialization after the InitializeComponent() call



    End Sub



    'Form overrides dispose to clean up the component list.

    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)

        If disposing Then

            If Not (components Is Nothing) Then

                components.Dispose()

            End If

        End If

        MyBase.Dispose(disposing)

    End Sub



    'Required by the Windows Form Designer

    Private components As System.ComponentModel.IContainer



    'NOTE: The following procedure is required by the Windows Form Designer

    'It can be modified using the Windows Form Designer.  

    'Do not modify it using the code editor.

    Friend WithEvents ToolBar1 As System.Windows.Forms.ToolBar

    Friend WithEvents ToolBarButton4 As System.Windows.Forms.ToolBarButton

    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

        Me.ToolBar1 = New System.Windows.Forms.ToolBar

        Me.ToolBarButton4 = New System.Windows.Forms.ToolBarButton

        Me.SuspendLayout()

        '

        'ToolBar1

        '

        Me.ToolBar1.Buttons.AddRange(New System.Windows.Forms.ToolBarButton() {Me.ToolBarButton4})

        Me.ToolBar1.DropDownArrows = True

        Me.ToolBar1.Location = New System.Drawing.Point(0, 0)

        Me.ToolBar1.Name = "ToolBar1"

        Me.ToolBar1.ShowToolTips = True

        Me.ToolBar1.Size = New System.Drawing.Size(292, 42)

        Me.ToolBar1.TabIndex = 0

        '

        'ToolBarButton4

        '

        Me.ToolBarButton4.Name = "ToolBarButton4"

        Me.ToolBarButton4.Text = "Draw"

        '

        'Form1

        '

        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)

        Me.BackColor = System.Drawing.SystemColors.ActiveCaptionText

        Me.ClientSize = New System.Drawing.Size(292, 266)

        Me.Controls.Add(Me.ToolBar1)

        Me.Name = "Form1"

        Me.Text = "Form1"

        Me.ResumeLayout(False)

        Me.PerformLayout()



    End Sub



#End Region

    Dim g As Graphics

    Dim Tool As Tools

    Dim Points() As Point

    Dim NumberPoints As Integer = 0

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        g = Me.CreateGraphics()

    End Sub



    Private Sub ToolBar1_ButtonClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ToolBarButtonClickEventArgs) Handles ToolBar1.ButtonClick

        If (ToolBar1.Buttons(0) Is e.Button) Then

            Tool = Tools.Draw

        End If

    End Sub



    Private Sub Form1_MouseMove(ByVal sender As Object, _

            ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseMove

        If Tool = Tools.Draw And e.Button = MouseButtons.Left Then

            Dim p As New Point(e.X, e.Y)



            ReDim Preserve Points(NumberPoints)



            Points(NumberPoints) = p

            NumberPoints += 1



            If NumberPoints >= 2 Then

                g.DrawLines(Pens.BlueViolet, Points)

            End If

        End If

    End Sub



    Private Sub Form1_Paint(ByVal sender As Object, _

        ByVal e As System.Windows.Forms.PaintEventArgs) _

            Handles MyBase.Paint

        Select Case Tool

            Case Tools.Draw

                If NumberPoints >= 2 Then

                    g.DrawLines(Pens.BlueViolet, Points)

                End If

        End Select

    End Sub



End Class

Enum Tools

    Draw

End Enum

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